故障现象：血透机缺水报警，反渗机流量不足，报警并自动关机，加压泵压力指示漂浮不定，原应无水的沙滤过滤器反冲，排水管有大量水排出。故障分析：该套水处理系统由加压泵、按过滤器、活性炭过滤器、离子交换树脂和反渗机串接而成，相互之间以水流量和水压来联系和控制。其 Symptoms: Hemodialysis machine lack of water alarm, lack of reverse osmosis machine flow, alarm and automatic shutdown, pressure pump pressure indicator floating, the original should be anhydrous sand filter backwash, drainage pipe with a large amount of water discharge. Failure Analysis: The water treatment system consists of a pressure pump, filter, activated carbon filter, ion exchange resin and reverse osmosis machine connected in series, with each other in contact with the water flow and pressure control. its